1 /*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 #if 0 36 static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94"; 37 #endif 38 static const char rcsid[] = 39 "$FreeBSD$"; 40 #endif /* not lint */ 41 42 #include <sys/types.h> 43 44 #include <stddef.h> 45 #include <stdio.h> 46 #include <string.h> 47 48 #include "stty.h" 49 #include "extern.h" 50 51 #include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 52 53 static void binit __P((char *)); 54 static void bput __P((char *)); 55 static char *ccval __P((struct cchar *, int)); 56 57 void 58 print(tp, wp, ldisc, fmt) 59 struct termios *tp; 60 struct winsize *wp; 61 int ldisc; 62 enum FMT fmt; 63 { 64 struct cchar *p; 65 long tmp; 66 u_char *cc; 67 int cnt, ispeed, ospeed; 68 char buf1[100], buf2[100]; 69 70 cnt = 0; 71 72 /* Line discipline. */ 73 if (ldisc != TTYDISC) { 74 switch(ldisc) { 75 case NTTYDISC: 76 cnt += printf("new tty disc; "); 77 break; 78 case SLIPDISC: 79 cnt += printf("slip disc; "); 80 break; 81 case PPPDISC: 82 cnt += printf("ppp disc; "); 83 break; 84 default: 85 cnt += printf("#%d disc; ", ldisc); 86 break; 87 } 88 } 89 90 /* Line speed. */ 91 ispeed = cfgetispeed(tp); 92 ospeed = cfgetospeed(tp); 93 if (ispeed != ospeed) 94 cnt += 95 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 96 else 97 cnt += printf("speed %d baud;", ispeed); 98 if (fmt >= BSD) 99 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 100 if (cnt) 101 (void)printf("\n"); 102 103 #define on(f) ((tmp & (f)) != 0) 104 #define put(n, f, d) \ 105 if (fmt >= BSD || on(f) != (d)) \ 106 bput((n) + on(f)); 107 108 /* "local" flags */ 109 tmp = tp->c_lflag; 110 binit("lflags"); 111 put("-icanon", ICANON, 1); 112 put("-isig", ISIG, 1); 113 put("-iexten", IEXTEN, 1); 114 put("-echo", ECHO, 1); 115 put("-echoe", ECHOE, 0); 116 put("-echok", ECHOK, 0); 117 put("-echoke", ECHOKE, 0); 118 put("-echonl", ECHONL, 0); 119 put("-echoctl", ECHOCTL, 0); 120 put("-echoprt", ECHOPRT, 0); 121 put("-altwerase", ALTWERASE, 0); 122 put("-noflsh", NOFLSH, 0); 123 put("-tostop", TOSTOP, 0); 124 put("-flusho", FLUSHO, 0); 125 put("-pendin", PENDIN, 0); 126 put("-nokerninfo", NOKERNINFO, 0); 127 put("-extproc", EXTPROC, 0); 128 129 /* input flags */ 130 tmp = tp->c_iflag; 131 binit("iflags"); 132 put("-istrip", ISTRIP, 0); 133 put("-icrnl", ICRNL, 1); 134 put("-inlcr", INLCR, 0); 135 put("-igncr", IGNCR, 0); 136 put("-ixon", IXON, 1); 137 put("-ixoff", IXOFF, 0); 138 put("-ixany", IXANY, 1); 139 put("-imaxbel", IMAXBEL, 1); 140 put("-ignbrk", IGNBRK, 0); 141 put("-brkint", BRKINT, 1); 142 put("-inpck", INPCK, 0); 143 put("-ignpar", IGNPAR, 0); 144 put("-parmrk", PARMRK, 0); 145 146 /* output flags */ 147 tmp = tp->c_oflag; 148 binit("oflags"); 149 put("-opost", OPOST, 1); 150 put("-onlcr", ONLCR, 1); 151 put("-oxtabs", OXTABS, 1); 152 153 /* control flags (hardware state) */ 154 tmp = tp->c_cflag; 155 binit("cflags"); 156 put("-cread", CREAD, 1); 157 switch(tmp&CSIZE) { 158 case CS5: 159 bput("cs5"); 160 break; 161 case CS6: 162 bput("cs6"); 163 break; 164 case CS7: 165 bput("cs7"); 166 break; 167 case CS8: 168 bput("cs8"); 169 break; 170 } 171 bput("-parenb" + on(PARENB)); 172 put("-parodd", PARODD, 0); 173 put("-hupcl", HUPCL, 1); 174 put("-clocal", CLOCAL, 0); 175 put("-cstopb", CSTOPB, 0); 176 switch(tmp & (CCTS_OFLOW | CRTS_IFLOW)) { 177 case CCTS_OFLOW: 178 bput("ctsflow"); 179 break; 180 case CRTS_IFLOW: 181 bput("rtsflow"); 182 break; 183 default: 184 put("-crtscts", CCTS_OFLOW | CRTS_IFLOW, 0); 185 break; 186 } 187 put("-dsrflow", CDSR_OFLOW, 0); 188 put("-dtrflow", CDTR_IFLOW, 0); 189 put("-mdmbuf", MDMBUF, 0); /* XXX mdmbuf == dtrflow */ 190 191 /* special control characters */ 192 cc = tp->c_cc; 193 if (fmt == POSIX) { 194 binit("cchars"); 195 for (p = cchars1; p->name; ++p) { 196 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 197 p->name, ccval(p, cc[p->sub])); 198 bput(buf1); 199 } 200 binit(NULL); 201 } else { 202 binit(NULL); 203 for (p = cchars1, cnt = 0; p->name; ++p) { 204 if (fmt != BSD && cc[p->sub] == p->def) 205 continue; 206 #define WD "%-8s" 207 (void)snprintf(buf1 + cnt * 8, sizeof(buf1) - cnt * 8, 208 WD, p->name); 209 (void)snprintf(buf2 + cnt * 8, sizeof(buf2) - cnt * 8, 210 WD, ccval(p, cc[p->sub])); 211 if (++cnt == LINELENGTH / 8) { 212 cnt = 0; 213 (void)printf("%s\n", buf1); 214 (void)printf("%s\n", buf2); 215 } 216 } 217 if (cnt) { 218 (void)printf("%s\n", buf1); 219 (void)printf("%s\n", buf2); 220 } 221 } 222 } 223 224 static int col; 225 static char *label; 226 227 static void 228 binit(lb) 229 char *lb; 230 { 231 232 if (col) { 233 (void)printf("\n"); 234 col = 0; 235 } 236 label = lb; 237 } 238 239 static void 240 bput(s) 241 char *s; 242 { 243 244 if (col == 0) { 245 col = printf("%s: %s", label, s); 246 return; 247 } 248 if ((col + strlen(s)) > LINELENGTH) { 249 (void)printf("\n\t"); 250 col = printf("%s", s) + 8; 251 return; 252 } 253 col += printf(" %s", s); 254 } 255 256 static char * 257 ccval(p, c) 258 struct cchar *p; 259 int c; 260 { 261 static char buf[5]; 262 char *bp; 263 264 if (p->sub == VMIN || p->sub == VTIME) { 265 (void)snprintf(buf, sizeof(buf), "%d", c); 266 return (buf); 267 } 268 if (c == _POSIX_VDISABLE) 269 return ("<undef>"); 270 bp = buf; 271 if (c & 0200) { 272 *bp++ = 'M'; 273 *bp++ = '-'; 274 c &= 0177; 275 } 276 if (c == 0177) { 277 *bp++ = '^'; 278 *bp++ = '?'; 279 } 280 else if (c < 040) { 281 *bp++ = '^'; 282 *bp++ = c + '@'; 283 } 284 else 285 *bp++ = c; 286 *bp = '\0'; 287 return (buf); 288 } 289